Source : Webster's Revised Unabridged Dictionary (1913)

Sluttish \Slut"tish\, a.
   Like a slut; untidy; indecently negligent of cleanliness;
   disorderly; as, a sluttish woman.

         Why is thy lord so slutish, I thee pray. --Chaucer.

         An air of liberal, though sluttish, plenty, indicated
         the wealthy farmer.                      --Sir W.
                                                  Scott.
   -- {Slut"tish*ly}, adv. -- {Slut"tish*ness}, n.

Source : WordNet®

sluttish
     adj 1: used especially of women [syn: {blowsy}, {blowzy}, {slatternly}]
     2: casual and unrestrained in sexual behavior; "her easy
        virtue"; "he was told to avoid loose (or light) women";
        "wanton behavior" [syn: {easy}, {light}, {loose}, {promiscuous},
         {wanton}]